build % ninja -nv gnc-engine |grep boost
[4/5] : && /Applications/Xcode.app/Contents/Developer/usr/bin/g++ -Wno-error=deprecated-declarations  -Werror -Wall -Wmissing-declarations -Wno-unused -Wno-error=parentheses -arch x86_64 -I/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk -mmacosx-version-min=10.15 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk -mmacosx-version-min=10.15 -dynamiclib -Wl,-headerpad_max_install_names -L/Users/ctest/gnucash-unstable/lib -L/Users/ctest/gnucash-unstable/lib -arch x86_64 -L/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/lib -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk -mmacosx-version-min=10.15 -Wl,-headerpad_max_install_names -o lib/libgnc-core-utils.dylib -install_name @rpath/libgnc-core-utils.dylib libgnucash/core-utils/CMakeFiles/gnc-core-utils.dir/binreloc.c.o libgnucash/core-utils/CMakeFiles/gnc-core-utils.dir/gnc-prefs.c.o libgnucash/core-utils/CMakeFiles/gnc-core-utils.dir/gnc-environment.c.o libgnucash/core-utils/CMakeFiles/gnc-core-utils.dir/gnc-filepath-utils.cpp.o libgnucash/core-utils/CMakeFiles/gnc-core-utils.dir/gnc-gkeyfile-utils.c.o libgnucash/core-utils/CMakeFiles/gnc-core-utils.dir/gnc-glib-utils.c.o libgnucash/core-utils/CMakeFiles/gnc-core-utils.dir/gnc-jalali.c.o libgnucash/core-utils/CMakeFiles/gnc-core-utils.dir/gnc-locale-utils.c.o libgnucash/core-utils/CMakeFiles/gnc-core-utils.dir/gnc-locale-utils.cpp.o libgnucash/core-utils/CMakeFiles/gnc-core-utils.dir/gnc-path.c.o libgnucash/core-utils/CMakeFiles/gnc-core-utils.dir/gnc-version.c.o  /Users/ctest/gnucash-unstable/lib/libboost_date_time.dylib /Users/ctest/gnucash-unstable/lib/libboost_regex.dylib /Users/ctest/gnucash-unstable/lib/libboost_locale.dylib /Users/ctest/gnucash-unstable/lib/libboost_filesystem.dylib /Users/ctest/gnucash-unstable/lib/libboost_system.dylib -L/Users/ctest/gnucash-unstable/lib -lintl -lglib-2.0 -L/Users/ctest/gnucash-unstable/lib -lgobject-2.0 -lintl -lglib-2.0 -L/Users/ctest/gnucash-unstable/lib -lgtkmacintegration-gtk3 -lgtk-3 -lgdk-3 -lpangocairo-1.0 -lpango-1.0 -lharfbuzz -latk-1.0 -lcairo-gobject -lcairo -lgdk_pixbuf-2.0 -lgio-2.0 -lgobject-2.0 -lintl -lglib-2.0 -lobjc -framework Cocoa -framework Security -framework Carbon /Users/ctest/gnucash-unstable/lib/libboost_chrono.dylib /Users/ctest/gnucash-unstable/lib/libboost_thread.dylib -lgtkmacintegration-gtk3 -lgtk-3 -lgdk-3 -lpangocairo-1.0 -lpango-1.0 -lharfbuzz -latk-1.0 -lcairo-gobject -lcairo -lgdk_pixbuf-2.0 -lgio-2.0 -lobjc -framework Cocoa -framework Security -framework Carbon && :